Does Nehalem really limit overclock to 130W?

Hulk

Diamond Member
Oct 9, 1999
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The Nehalem review on Tom's Hardware is saying Nehalem is limited to 130W, except for the extreme edition.

So if you get a chip running stock at 70 watts you have about 50 watts of headroom available for o/c. But if you get a chip running at 110 watts then you have very little o/c headroom.

I guess this really makes teh 940 a loser since it has the same 130 watt limit as the 920.

Assuming of course all this is true and there is no motherboard workaround that will appear.

- Mark
 

harpoon84

Golden Member
Jul 16, 2006
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It can be overriden in the BIOS, an Intel rep confirmed this over at XS:

http://www.xtremesystems.org/F...=3404171&postcount=102

I am to be VERY VERY clear, there is not Overspeed Protection, we have a BIOS setting to bypass the PCU control of Current and Power. On smackover, it is call "CPU VR Current Limit Override", and it will allow you to bypass the thermal and courant limites on the Core i7 920 ans 940. Who ever claim the otherway around did not read the specifications enough hehehhe
we have recommanded to the motherboard makers to follow our steps.
So, relax, and don't worry ...

Francois
 

exar333

Diamond Member
Feb 7, 2004
8,518
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It's funny how the review from TH yesterday commented that this was a HUGE issue, and then today they have an "editor's note" advising this was no longer an issue...a WHOLE day later.

This reeks of getting the article out too quickly and just not running a great site.
 

JPB

Diamond Member
Jul 4, 2005
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I am just now beginning to get into the overclocking world. I went with Intel for the first time a few days ago.

But....if the overclocking is limited, then when I upgrade again, I will be going back to AMD.

I shall be watching these stories and reports closely :)
 

Kingbee13

Senior member
Jul 17, 2007
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Originally posted by: ExarKun333
It's funny how the review from TH yesterday commented that this was a HUGE issue, and then today they have an "editor's note" advising this was no longer an issue...a WHOLE day later.

This reeks of getting the article out too quickly and just not running a great site.


And yet in the Editors note they are still claiming the limits are imposed on 920 and 940 something which the seems to be wrong

the first mistake was using an intel board to determine overclocking potential how many intel boards have offered best in class overclocking?
 

Idontcare

Elite Member
Oct 10, 1999
21,110
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Toms is the enthusiast site whose goal is to do everything "good enough for gov'ment work" and not one iota better (or less incorrect as it tends to be).
 

jiffylube1024

Diamond Member
Feb 17, 2002
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Well that's good news... After reading the Tom's Hardware review and hearing how big of an issue the 130W limit was made out to be, I was puzzled to not even hear it mentioned in most other reviews.

Good to see that this has already been addressed.
 

NGX

Member
Oct 24, 2008
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Originally posted by: Kingbee13

how many intel boards have offered best in class overclocking?

Thats the truth, sad but true. In fact Id love to see an intel board that just kicks ass for clockin